公开(公告)号：US11273000B2

公开(公告)日：2022-03-15

申请号：US16321012

申请日：2018-07-19

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY ,  GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyung Sun Kim ,  Su Cheol Han ,  Dong Ho Woo ,  Young Su Yang ,  Goo Hwa Kang ,  Hyung Ihl Kim ,  Ji Young Park ,  Dong Hak Byun

IPC: A61B90/14 ,  A61B5/00 ,  A61B90/13 ,  A61B90/10 ,  A61B90/50 ,  A61B90/57

Abstract: A stereotactic device for primate brains indicates a brain coordinate reference point of a primate using a simulator for indicating a brain coordinate reference point, thereby providing an initial setting to a zero point corresponding to the brain coordinate reference point. The brain coordinate reference point is conveniently and accurately indicated without relatively expensive equipment, such as a magnetic resonance imaging (MRI) scanner, to determine brain coordinates of the primate, so that a targeting procedure can be conducted on the brain.

公开(公告)号：US20140206899A1

公开(公告)日：2014-07-24

申请号：US13825692

申请日：2011-11-14

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Young Taik Hong ,  Seog Je Kim ,  Ji Young Park ,  Dong Hyun Lee

IPC: C07C315/06

CPC classification number: C07C315/06 ,  C07C317/14

Abstract: The present invention relates to an improved method for purifying a sulfonated aromatic monomer. The method is an economical method capable of providing a highly pure sulfonated aromatic monomer, in which a salt precipitation step and a recrystallization step are simplified while maintaining the reaction conditions used in a conventional method for synthesizing the sulfonated aromatic monomer, and a purification process is carried out using an easily available and stable chemical substance. The sulfonated aromatic monomer obtained by the purification method will be useful for the preparation of a polymer for a polymer electrolyte membrane and will be advantageous to synthesize polymer with high molecular weight.

Abstract translation: 本发明涉及一种改进的磺化芳族单体的纯化方法。 该方法是能够提供高纯度磺化芳族单体的经济方法，其中在保持用于合成磺化芳族单体的常规方法中使用的反应条件的同时简化盐沉淀步骤和重结晶步骤，并且纯化过程为 使用易于获得和稳定的化学物质进行。 通过纯化方法获得的磺化芳族单体可用于制备聚合物电解质膜的聚合物，并且有利于合成高分子量的聚合物。